YOU SAID:
What did you say about my hair?
INTO JAPANESE
あなたは私の髪について何を言いましたか?
BACK INTO ENGLISH
Did you say anything about my hair?
INTO JAPANESE
あなたは私の髪については何も言っていましたか?
BACK INTO ENGLISH
Did you say anything about my hair?
That didn't even make that much sense in English.